it seems that STM32_USBCLK is not defined for STM32L4xx in usb_lld.h.
If i understand things correctly it should look like this:
Code: Select all
#if defined(STM32F2XX) || defined(STM32F4XX) || defined(STM32F7XX)
#define STM32_USBCLK STM32_PLL48CLK
#elif defined(STM32F10X_CL)
#define STM32_USBCLK STM32_OTGFSCLK
#elif defined(STM32L4XX)
#define STM32_USBCLK STM32_48CLK
#else
#error "unsupported STM32 platform for OTG functionality"
#endif
Cheers
Vinz
